Sony HDCAM HDW-730 Operation Manual page 69

Unloading a cassette manually
If the battery voltage drops below about 10.5 V, take out the cassette
manually as illustrated below.
3
1 Turn the power off.
2 Open this rubber cover.
3 Pushing on the screw inside
with a screwdriver, turn
the screw clockwise until the
cassette lid opens.
You need not return the screw to its original position after taking out the
cassette. Although the cassette lid is not locked, turning on the power
makes the cassette lid operable again.
3-4
Chapter 3 Recording and Playback
Cassette lid
Unloading a cassette manually